Home / 1,639,564.87-2,262,603.54-914,459.55

Finding the Fourth Proportional to 1,639,564.87, 2,262,603.54 and 914,459.55

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Solution

The fourth proportional to 1,639,564.87, 2,262,603.54 and 914,459.55 is: 1,261,956.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,564.87 : 2,262,603.54 = 914,459.55 : x
  2. Step 2: Convert to fraction form
    1,639,564.87/2,262,603.54 = 914,459.55/x
  3. Step 3: Cross multiply
    1,639,564.87x = 2,262,603.54 × 914,459.55
  4. Step 4: Simplify right side
    1,639,564.87x = 2,069,059,414,972.66
  5. Step 5: Solve for x
    x = 2,069,059,414,972.66/1,639,564.87
  6. Step 6: Final answer
    x = 1,261,956.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.